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  <h1>serverhe</h1>

<h3 id="github">Github</h3>
<p><a href="https://github.com/lmliheng/he-web">仓库</a></p>
<h3 id="_1">结构</h3>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a>├───web服务器_updata/
</span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a>│<span class="w">   </span>├───makefile
</span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a>│<span class="w">   </span>├───conf/
</span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a>│<span class="w">   </span>│<span class="w">   </span>├───main.conf
</span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a>│<span class="w">   </span>├───includes/
</span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a>│<span class="w">   </span>│<span class="w">   </span>├───config.h
</span><span id="__span-0-7"><a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a>│<span class="w">   </span>│<span class="w">   </span>├───request.h
</span><span id="__span-0-8"><a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a>│<span class="w">   </span>│<span class="w">   </span>├───response.h
</span><span id="__span-0-9"><a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a>│<span class="w">   </span>│<span class="w">   </span>├───server.h
</span><span id="__span-0-10"><a id="__codelineno-0-10" name="__codelineno-0-10" href="#__codelineno-0-10"></a>│<span class="w">   </span>├───src/
</span><span id="__span-0-11"><a id="__codelineno-0-11" name="__codelineno-0-11" href="#__codelineno-0-11"></a>│<span class="w">   </span>│<span class="w">   </span>├───config.c
</span><span id="__span-0-12"><a id="__codelineno-0-12" name="__codelineno-0-12" href="#__codelineno-0-12"></a>│<span class="w">   </span>│<span class="w">   </span>├───main.c
</span><span id="__span-0-13"><a id="__codelineno-0-13" name="__codelineno-0-13" href="#__codelineno-0-13"></a>│<span class="w">   </span>│<span class="w">   </span>├───request.c
</span><span id="__span-0-14"><a id="__codelineno-0-14" name="__codelineno-0-14" href="#__codelineno-0-14"></a>│<span class="w">   </span>│<span class="w">   </span>├───response.c
</span><span id="__span-0-15"><a id="__codelineno-0-15" name="__codelineno-0-15" href="#__codelineno-0-15"></a>│<span class="w">   </span>│<span class="w">   </span>├───server.c
</span><span id="__span-0-16"><a id="__codelineno-0-16" name="__codelineno-0-16" href="#__codelineno-0-16"></a>│<span class="w">   </span>├───static/
</span><span id="__span-0-17"><a id="__codelineno-0-17" name="__codelineno-0-17" href="#__codelineno-0-17"></a>│<span class="w">   </span>│<span class="w">   </span>├───index.html
</span></code></pre></div>
<h3 id="conf">conf</h3>
<h4 id="mainconf">main.conf</h4>
<div class="language-text highlight"><pre><span></span><code><span id="__span-1-1"><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a>port = 8080
</span><span id="__span-1-2"><a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a>root_dir = root/static/index
</span></code></pre></div>
<h3 id="src">src</h3>
<h4 id="congigc">congig.c</h4>
<div class="language-c highlight"><pre><span></span><code><span id="__span-2-1"><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&quot;config.h&quot;</span>
</span><span id="__span-2-2"><a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></a>
</span><span id="__span-2-3"><a id="__codelineno-2-3" name="__codelineno-2-3" href="#__codelineno-2-3"></a><span class="n">Config</span><span class="o">*</span><span class="w"> </span><span class="nf">parse_config</span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="kt">char</span><span class="w"> </span><span class="o">*</span><span class="n">config_file</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-2-4"><a id="__codelineno-2-4" name="__codelineno-2-4" href="#__codelineno-2-4"></a><span class="w">    </span><span class="n">Config</span><span class="w"> </span><span class="o">*</span><span class="n">config</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="n">Config</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="n">malloc</span><span class="p">(</span><span class="k">sizeof</span><span class="p">(</span><span class="n">Config</span><span class="p">));</span>
</span><span id="__span-2-5"><a id="__codelineno-2-5" name="__codelineno-2-5" href="#__codelineno-2-5"></a><span class="w">    </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">config</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="nb">NULL</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-2-6"><a id="__codelineno-2-6" name="__codelineno-2-6" href="#__codelineno-2-6"></a><span class="w">        </span><span class="n">printf</span><span class="p">(</span><span class="s">&quot;无法分配内存。</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">);</span>
</span><span id="__span-2-7"><a id="__codelineno-2-7" name="__codelineno-2-7" href="#__codelineno-2-7"></a><span class="w">        </span><span class="k">return</span><span class="w"> </span><span class="nb">NULL</span><span class="p">;</span>
</span><span id="__span-2-8"><a id="__codelineno-2-8" name="__codelineno-2-8" href="#__codelineno-2-8"></a><span class="w">    </span><span class="p">}</span>
</span><span id="__span-2-9"><a id="__codelineno-2-9" name="__codelineno-2-9" href="#__codelineno-2-9"></a>
</span><span id="__span-2-10"><a id="__codelineno-2-10" name="__codelineno-2-10" href="#__codelineno-2-10"></a><span class="w">    </span><span class="kt">FILE</span><span class="w"> </span><span class="o">*</span><span class="n">file</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fopen</span><span class="p">(</span><span class="n">config_file</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;r&quot;</span><span class="p">);</span>
</span><span id="__span-2-11"><a id="__codelineno-2-11" name="__codelineno-2-11" href="#__codelineno-2-11"></a><span class="w">    </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">file</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="nb">NULL</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-2-12"><a id="__codelineno-2-12" name="__codelineno-2-12" href="#__codelineno-2-12"></a><span class="w">        </span><span class="n">printf</span><span class="p">(</span><span class="s">&quot;无法打开配置文件。</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">);</span>
</span><span id="__span-2-13"><a id="__codelineno-2-13" name="__codelineno-2-13" href="#__codelineno-2-13"></a><span class="w">        </span><span class="n">free</span><span class="p">(</span><span class="n">config</span><span class="p">);</span>
</span><span id="__span-2-14"><a id="__codelineno-2-14" name="__codelineno-2-14" href="#__codelineno-2-14"></a><span class="w">        </span><span class="k">return</span><span class="w"> </span><span class="nb">NULL</span><span class="p">;</span>
</span><span id="__span-2-15"><a id="__codelineno-2-15" name="__codelineno-2-15" href="#__codelineno-2-15"></a><span class="w">    </span><span class="p">}</span>
</span><span id="__span-2-16"><a id="__codelineno-2-16" name="__codelineno-2-16" href="#__codelineno-2-16"></a>
</span><span id="__span-2-17"><a id="__codelineno-2-17" name="__codelineno-2-17" href="#__codelineno-2-17"></a><span class="w">    </span><span class="kt">char</span><span class="w"> </span><span class="n">line</span><span class="p">[</span><span class="mi">256</span><span class="p">];</span>
</span><span id="__span-2-18"><a id="__codelineno-2-18" name="__codelineno-2-18" href="#__codelineno-2-18"></a><span class="w">    </span><span class="k">while</span><span class="w"> </span><span class="p">(</span><span class="n">fgets</span><span class="p">(</span><span class="n">line</span><span class="p">,</span><span class="w"> </span><span class="k">sizeof</span><span class="p">(</span><span class="n">line</span><span class="p">),</span><span class="w"> </span><span class="n">file</span><span class="p">))</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-2-19"><a id="__codelineno-2-19" name="__codelineno-2-19" href="#__codelineno-2-19"></a><span class="w">        </span><span class="kt">char</span><span class="w"> </span><span class="o">*</span><span class="n">key</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">strtok</span><span class="p">(</span><span class="n">line</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;=&quot;</span><span class="p">);</span>
</span><span id="__span-2-20"><a id="__codelineno-2-20" name="__codelineno-2-20" href="#__codelineno-2-20"></a><span class="w">        </span><span class="kt">char</span><span class="w"> </span><span class="o">*</span><span class="n">value</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">strtok</span><span class="p">(</span><span class="nb">NULL</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">);</span>
</span><span id="__span-2-21"><a id="__codelineno-2-21" name="__codelineno-2-21" href="#__codelineno-2-21"></a>
</span><span id="__span-2-22"><a id="__codelineno-2-22" name="__codelineno-2-22" href="#__codelineno-2-22"></a><span class="w">        </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">strcmp</span><span class="p">(</span><span class="n">key</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;port&quot;</span><span class="p">)</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-2-23"><a id="__codelineno-2-23" name="__codelineno-2-23" href="#__codelineno-2-23"></a><span class="w">            </span><span class="n">config</span><span class="o">-&gt;</span><span class="n">port</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">atoi</span><span class="p">(</span><span class="n">value</span><span class="p">);</span>
</span><span id="__span-2-24"><a id="__codelineno-2-24" name="__codelineno-2-24" href="#__codelineno-2-24"></a><span class="w">        </span><span class="p">}</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">strcmp</span><span class="p">(</span><span class="n">key</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;root_dir&quot;</span><span class="p">)</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-2-25"><a id="__codelineno-2-25" name="__codelineno-2-25" href="#__codelineno-2-25"></a><span class="w">            </span><span class="n">strcpy</span><span class="p">(</span><span class="n">config</span><span class="o">-&gt;</span><span class="n">root_dir</span><span class="p">,</span><span class="w"> </span><span class="n">value</span><span class="p">);</span>
</span><span id="__span-2-26"><a id="__codelineno-2-26" name="__codelineno-2-26" href="#__codelineno-2-26"></a><span class="w">        </span><span class="p">}</span>
</span><span id="__span-2-27"><a id="__codelineno-2-27" name="__codelineno-2-27" href="#__codelineno-2-27"></a><span class="w">    </span><span class="p">}</span>
</span><span id="__span-2-28"><a id="__codelineno-2-28" name="__codelineno-2-28" href="#__codelineno-2-28"></a>
</span><span id="__span-2-29"><a id="__codelineno-2-29" name="__codelineno-2-29" href="#__codelineno-2-29"></a><span class="w">    </span><span class="n">fclose</span><span class="p">(</span><span class="n">file</span><span class="p">);</span>
</span><span id="__span-2-30"><a id="__codelineno-2-30" name="__codelineno-2-30" href="#__codelineno-2-30"></a><span class="w">    </span><span class="k">return</span><span class="w"> </span><span class="n">config</span><span class="p">;</span>
</span><span id="__span-2-31"><a id="__codelineno-2-31" name="__codelineno-2-31" href="#__codelineno-2-31"></a><span class="p">}</span>
</span></code></pre></div>
<h4 id="mainc">main.c</h4>
<div class="language-c highlight"><pre><span></span><code><span id="__span-3-1"><a id="__codelineno-3-1" name="__codelineno-3-1" href="#__codelineno-3-1"></a><span class="cp">#include</span><span class="cpf">&lt;stdio.h&gt;</span>
</span><span id="__span-3-2"><a id="__codelineno-3-2" name="__codelineno-3-2" href="#__codelineno-3-2"></a><span class="cp">#include</span><span class="cpf">&lt;string.h&gt;</span>
</span><span id="__span-3-3"><a id="__codelineno-3-3" name="__codelineno-3-3" href="#__codelineno-3-3"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;stdlib.h&gt;</span>
</span><span id="__span-3-4"><a id="__codelineno-3-4" name="__codelineno-3-4" href="#__codelineno-3-4"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;unistd.h&gt;</span>
</span><span id="__span-3-5"><a id="__codelineno-3-5" name="__codelineno-3-5" href="#__codelineno-3-5"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;arpa/inet.h&gt;</span>
</span><span id="__span-3-6"><a id="__codelineno-3-6" name="__codelineno-3-6" href="#__codelineno-3-6"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;sys/socket.h&gt;</span>
</span><span id="__span-3-7"><a id="__codelineno-3-7" name="__codelineno-3-7" href="#__codelineno-3-7"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;netinet/in.h&gt;</span>
</span><span id="__span-3-8"><a id="__codelineno-3-8" name="__codelineno-3-8" href="#__codelineno-3-8"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;fcntl.h&gt;</span>
</span><span id="__span-3-9"><a id="__codelineno-3-9" name="__codelineno-3-9" href="#__codelineno-3-9"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&quot;config.h&quot;</span>
</span><span id="__span-3-10"><a id="__codelineno-3-10" name="__codelineno-3-10" href="#__codelineno-3-10"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&quot;server.h&quot;</span>
</span><span id="__span-3-11"><a id="__codelineno-3-11" name="__codelineno-3-11" href="#__codelineno-3-11"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&quot;response.h&quot;</span>
</span><span id="__span-3-12"><a id="__codelineno-3-12" name="__codelineno-3-12" href="#__codelineno-3-12"></a>
</span><span id="__span-3-13"><a id="__codelineno-3-13" name="__codelineno-3-13" href="#__codelineno-3-13"></a><span class="c1">// 定义main函数</span>
</span><span id="__span-3-14"><a id="__codelineno-3-14" name="__codelineno-3-14" href="#__codelineno-3-14"></a><span class="kt">int</span><span class="w"> </span><span class="nf">main</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-3-15"><a id="__codelineno-3-15" name="__codelineno-3-15" href="#__codelineno-3-15"></a><span class="w">    </span><span class="c1">// 定义配置文件路径</span>
</span><span id="__span-3-16"><a id="__codelineno-3-16" name="__codelineno-3-16" href="#__codelineno-3-16"></a><span class="w">    </span><span class="k">const</span><span class="w"> </span><span class="kt">char</span><span class="w"> </span><span class="o">*</span><span class="n">config_file</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;conf/main.conf&quot;</span><span class="p">;</span>
</span><span id="__span-3-17"><a id="__codelineno-3-17" name="__codelineno-3-17" href="#__codelineno-3-17"></a>
</span><span id="__span-3-18"><a id="__codelineno-3-18" name="__codelineno-3-18" href="#__codelineno-3-18"></a><span class="w">    </span><span class="c1">// 解析配置文件</span>
</span><span id="__span-3-19"><a id="__codelineno-3-19" name="__codelineno-3-19" href="#__codelineno-3-19"></a><span class="w">    </span><span class="n">Config</span><span class="w"> </span><span class="o">*</span><span class="n">config</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">parse_config</span><span class="p">(</span><span class="n">config_file</span><span class="p">);</span>
</span><span id="__span-3-20"><a id="__codelineno-3-20" name="__codelineno-3-20" href="#__codelineno-3-20"></a><span class="w">    </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">config</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="nb">NULL</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-3-21"><a id="__codelineno-3-21" name="__codelineno-3-21" href="#__codelineno-3-21"></a><span class="w">        </span><span class="n">printf</span><span class="p">(</span><span class="s">&quot;无法解析配置文件。</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">);</span>
</span><span id="__span-3-22"><a id="__codelineno-3-22" name="__codelineno-3-22" href="#__codelineno-3-22"></a><span class="w">        </span><span class="k">return</span><span class="w"> </span><span class="mi">1</span><span class="p">;</span>
</span><span id="__span-3-23"><a id="__codelineno-3-23" name="__codelineno-3-23" href="#__codelineno-3-23"></a><span class="w">    </span><span class="p">}</span>
</span><span id="__span-3-24"><a id="__codelineno-3-24" name="__codelineno-3-24" href="#__codelineno-3-24"></a>
</span><span id="__span-3-25"><a id="__codelineno-3-25" name="__codelineno-3-25" href="#__codelineno-3-25"></a><span class="w">    </span><span class="n">start_server</span><span class="p">(</span><span class="n">config</span><span class="o">-&gt;</span><span class="n">port</span><span class="p">,</span><span class="n">config</span><span class="o">-&gt;</span><span class="n">root_dir</span><span class="p">);</span>
</span><span id="__span-3-26"><a id="__codelineno-3-26" name="__codelineno-3-26" href="#__codelineno-3-26"></a><span class="w">    </span><span class="k">return</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>
</span><span id="__span-3-27"><a id="__codelineno-3-27" name="__codelineno-3-27" href="#__codelineno-3-27"></a>
</span><span id="__span-3-28"><a id="__codelineno-3-28" name="__codelineno-3-28" href="#__codelineno-3-28"></a>
</span><span id="__span-3-29"><a id="__codelineno-3-29" name="__codelineno-3-29" href="#__codelineno-3-29"></a><span class="p">}</span>
</span><span id="__span-3-30"><a id="__codelineno-3-30" name="__codelineno-3-30" href="#__codelineno-3-30"></a><span class="cm">/*</span>
</span><span id="__span-3-31"><a id="__codelineno-3-31" name="__codelineno-3-31" href="#__codelineno-3-31"></a><span class="cm">    // 创建服务器套接字</span>
</span><span id="__span-3-32"><a id="__codelineno-3-32" name="__codelineno-3-32" href="#__codelineno-3-32"></a><span class="cm">    int server_socket = create_server_socket(config-&gt;port);</span>
</span><span id="__span-3-33"><a id="__codelineno-3-33" name="__codelineno-3-33" href="#__codelineno-3-33"></a><span class="cm">    if (server_socket == -1) {</span>
</span><span id="__span-3-34"><a id="__codelineno-3-34" name="__codelineno-3-34" href="#__codelineno-3-34"></a><span class="cm">        printf(&quot;无法创建服务器套接字。\n&quot;);</span>
</span><span id="__span-3-35"><a id="__codelineno-3-35" name="__codelineno-3-35" href="#__codelineno-3-35"></a><span class="cm">        free(config);</span>
</span><span id="__span-3-36"><a id="__codelineno-3-36" name="__codelineno-3-36" href="#__codelineno-3-36"></a><span class="cm">        return 1;</span>
</span><span id="__span-3-37"><a id="__codelineno-3-37" name="__codelineno-3-37" href="#__codelineno-3-37"></a><span class="cm">    }</span>
</span><span id="__span-3-38"><a id="__codelineno-3-38" name="__codelineno-3-38" href="#__codelineno-3-38"></a>
</span><span id="__span-3-39"><a id="__codelineno-3-39" name="__codelineno-3-39" href="#__codelineno-3-39"></a><span class="cm">    // 输出服务器正在监听的端口</span>
</span><span id="__span-3-40"><a id="__codelineno-3-40" name="__codelineno-3-40" href="#__codelineno-3-40"></a><span class="cm">    printf(&quot;Web服务器正在监听端口 %d...\n&quot;, config-&gt;port);</span>
</span><span id="__span-3-41"><a id="__codelineno-3-41" name="__codelineno-3-41" href="#__codelineno-3-41"></a>
</span><span id="__span-3-42"><a id="__codelineno-3-42" name="__codelineno-3-42" href="#__codelineno-3-42"></a><span class="cm">    // 使用while循环来接受客户端连接</span>
</span><span id="__span-3-43"><a id="__codelineno-3-43" name="__codelineno-3-43" href="#__codelineno-3-43"></a><span class="cm">    while (1) {</span>
</span><span id="__span-3-44"><a id="__codelineno-3-44" name="__codelineno-3-44" href="#__codelineno-3-44"></a><span class="cm">        int client_socket = accept_client_connection(server_socket);</span>
</span><span id="__span-3-45"><a id="__codelineno-3-45" name="__codelineno-3-45" href="#__codelineno-3-45"></a><span class="cm">        if (client_socket == -1) {</span>
</span><span id="__span-3-46"><a id="__codelineno-3-46" name="__codelineno-3-46" href="#__codelineno-3-46"></a><span class="cm">            printf(&quot;无法接受客户端连接。\n&quot;);</span>
</span><span id="__span-3-47"><a id="__codelineno-3-47" name="__codelineno-3-47" href="#__codelineno-3-47"></a><span class="cm">            continue;</span>
</span><span id="__span-3-48"><a id="__codelineno-3-48" name="__codelineno-3-48" href="#__codelineno-3-48"></a><span class="cm">        }</span>
</span><span id="__span-3-49"><a id="__codelineno-3-49" name="__codelineno-3-49" href="#__codelineno-3-49"></a>
</span><span id="__span-3-50"><a id="__codelineno-3-50" name="__codelineno-3-50" href="#__codelineno-3-50"></a><span class="cm">        // 处理客户端请求</span>
</span><span id="__span-3-51"><a id="__codelineno-3-51" name="__codelineno-3-51" href="#__codelineno-3-51"></a><span class="cm">        handle_request(client_socket, config-&gt;root_dir);</span>
</span><span id="__span-3-52"><a id="__codelineno-3-52" name="__codelineno-3-52" href="#__codelineno-3-52"></a>
</span><span id="__span-3-53"><a id="__codelineno-3-53" name="__codelineno-3-53" href="#__codelineno-3-53"></a><span class="cm">        // 关闭客户端套接字</span>
</span><span id="__span-3-54"><a id="__codelineno-3-54" name="__codelineno-3-54" href="#__codelineno-3-54"></a><span class="cm">        close(client_socket);</span>
</span><span id="__span-3-55"><a id="__codelineno-3-55" name="__codelineno-3-55" href="#__codelineno-3-55"></a><span class="cm">    }</span>
</span><span id="__span-3-56"><a id="__codelineno-3-56" name="__codelineno-3-56" href="#__codelineno-3-56"></a>
</span><span id="__span-3-57"><a id="__codelineno-3-57" name="__codelineno-3-57" href="#__codelineno-3-57"></a><span class="cm">    // 关闭服务器套接字并释放配置内存</span>
</span><span id="__span-3-58"><a id="__codelineno-3-58" name="__codelineno-3-58" href="#__codelineno-3-58"></a><span class="cm">    close(server_socket);</span>
</span><span id="__span-3-59"><a id="__codelineno-3-59" name="__codelineno-3-59" href="#__codelineno-3-59"></a><span class="cm">    free(config);</span>
</span><span id="__span-3-60"><a id="__codelineno-3-60" name="__codelineno-3-60" href="#__codelineno-3-60"></a><span class="cm">    return 0;</span>
</span><span id="__span-3-61"><a id="__codelineno-3-61" name="__codelineno-3-61" href="#__codelineno-3-61"></a><span class="cm">}</span>
</span><span id="__span-3-62"><a id="__codelineno-3-62" name="__codelineno-3-62" href="#__codelineno-3-62"></a><span class="cm">*/</span>
</span><span id="__span-3-63"><a id="__codelineno-3-63" name="__codelineno-3-63" href="#__codelineno-3-63"></a>
</span><span id="__span-3-64"><a id="__codelineno-3-64" name="__codelineno-3-64" href="#__codelineno-3-64"></a><span class="cm">/*</span>
</span><span id="__span-3-65"><a id="__codelineno-3-65" name="__codelineno-3-65" href="#__codelineno-3-65"></a><span class="cm">#include &quot;server.h&quot;</span>
</span><span id="__span-3-66"><a id="__codelineno-3-66" name="__codelineno-3-66" href="#__codelineno-3-66"></a>
</span><span id="__span-3-67"><a id="__codelineno-3-67" name="__codelineno-3-67" href="#__codelineno-3-67"></a><span class="cm">int main() {</span>
</span><span id="__span-3-68"><a id="__codelineno-3-68" name="__codelineno-3-68" href="#__codelineno-3-68"></a>
</span><span id="__span-3-69"><a id="__codelineno-3-69" name="__codelineno-3-69" href="#__codelineno-3-69"></a><span class="cm">    int port = 7890; // 监听端口</span>
</span><span id="__span-3-70"><a id="__codelineno-3-70" name="__codelineno-3-70" href="#__codelineno-3-70"></a><span class="cm">    start_server(port);</span>
</span><span id="__span-3-71"><a id="__codelineno-3-71" name="__codelineno-3-71" href="#__codelineno-3-71"></a><span class="cm">    return 0;</span>
</span><span id="__span-3-72"><a id="__codelineno-3-72" name="__codelineno-3-72" href="#__codelineno-3-72"></a><span class="cm">}</span>
</span><span id="__span-3-73"><a id="__codelineno-3-73" name="__codelineno-3-73" href="#__codelineno-3-73"></a><span class="cm">*/</span>
</span><span id="__span-3-74"><a id="__codelineno-3-74" name="__codelineno-3-74" href="#__codelineno-3-74"></a>
</span><span id="__span-3-75"><a id="__codelineno-3-75" name="__codelineno-3-75" href="#__codelineno-3-75"></a>
</span><span id="__span-3-76"><a id="__codelineno-3-76" name="__codelineno-3-76" href="#__codelineno-3-76"></a><span class="cm">/*</span>
</span><span id="__span-3-77"><a id="__codelineno-3-77" name="__codelineno-3-77" href="#__codelineno-3-77"></a><span class="cm">web_server/</span>
</span><span id="__span-3-78"><a id="__codelineno-3-78" name="__codelineno-3-78" href="#__codelineno-3-78"></a><span class="cm">|-- src/</span>
</span><span id="__span-3-79"><a id="__codelineno-3-79" name="__codelineno-3-79" href="#__codelineno-3-79"></a><span class="cm">|   |-- main.c       // 主函数入口</span>
</span><span id="__span-3-80"><a id="__codelineno-3-80" name="__codelineno-3-80" href="#__codelineno-3-80"></a><span class="cm">|   |-- server.c     // 服务器核心逻辑</span>
</span><span id="__span-3-81"><a id="__codelineno-3-81" name="__codelineno-3-81" href="#__codelineno-3-81"></a><span class="cm">|   |-- request.c    // 请求处理逻辑</span>
</span><span id="__span-3-82"><a id="__codelineno-3-82" name="__codelineno-3-82" href="#__codelineno-3-82"></a><span class="cm">|   |-- response.c   // 响应生成逻辑</span>
</span><span id="__span-3-83"><a id="__codelineno-3-83" name="__codelineno-3-83" href="#__codelineno-3-83"></a><span class="cm">|-- includes/</span>
</span><span id="__span-3-84"><a id="__codelineno-3-84" name="__codelineno-3-84" href="#__codelineno-3-84"></a><span class="cm">|   |-- server.h     // 服务器相关函数声明</span>
</span><span id="__span-3-85"><a id="__codelineno-3-85" name="__codelineno-3-85" href="#__codelineno-3-85"></a><span class="cm">|   |-- request.h    // 请求处理函数声明</span>
</span><span id="__span-3-86"><a id="__codelineno-3-86" name="__codelineno-3-86" href="#__codelineno-3-86"></a><span class="cm">|   |-- response.h   // 响应生成函数声明</span>
</span><span id="__span-3-87"><a id="__codelineno-3-87" name="__codelineno-3-87" href="#__codelineno-3-87"></a><span class="cm">|-- static/</span>
</span><span id="__span-3-88"><a id="__codelineno-3-88" name="__codelineno-3-88" href="#__codelineno-3-88"></a><span class="cm">|   |-- index.html   // 默认返回的HTML页面</span>
</span><span id="__span-3-89"><a id="__codelineno-3-89" name="__codelineno-3-89" href="#__codelineno-3-89"></a><span class="cm">|-- Makefile         // 编译规则</span>
</span><span id="__span-3-90"><a id="__codelineno-3-90" name="__codelineno-3-90" href="#__codelineno-3-90"></a>
</span><span id="__span-3-91"><a id="__codelineno-3-91" name="__codelineno-3-91" href="#__codelineno-3-91"></a><span class="cm">*/</span>
</span><span id="__span-3-92"><a id="__codelineno-3-92" name="__codelineno-3-92" href="#__codelineno-3-92"></a>
</span><span id="__span-3-93"><a id="__codelineno-3-93" name="__codelineno-3-93" href="#__codelineno-3-93"></a><span class="c1">//编译：gcc -Wall -g -o web_server src/main.c src/server.c src/request.c src/response.c -Iincludes</span>
</span></code></pre></div>
<h4 id="requestc">request.c</h4>
<div class="language-c highlight"><pre><span></span><code><span id="__span-4-1"><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a><span class="cm">/*#include &quot;request.h&quot;</span>
</span><span id="__span-4-2"><a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a><span class="cm">#include &quot;response.h&quot;</span>
</span><span id="__span-4-3"><a id="__codelineno-4-3" name="__codelineno-4-3" href="#__codelineno-4-3"></a><span class="cm">#include &quot;server.h&quot;</span>
</span><span id="__span-4-4"><a id="__codelineno-4-4" name="__codelineno-4-4" href="#__codelineno-4-4"></a>
</span><span id="__span-4-5"><a id="__codelineno-4-5" name="__codelineno-4-5" href="#__codelineno-4-5"></a><span class="cm">void handle_request(int client_socket, const char *root_dir) {</span>
</span><span id="__span-4-6"><a id="__codelineno-4-6" name="__codelineno-4-6" href="#__codelineno-4-6"></a><span class="cm">    send_response(client_socket, root_dir);</span>
</span><span id="__span-4-7"><a id="__codelineno-4-7" name="__codelineno-4-7" href="#__codelineno-4-7"></a><span class="cm">}</span>
</span><span id="__span-4-8"><a id="__codelineno-4-8" name="__codelineno-4-8" href="#__codelineno-4-8"></a><span class="cm">*/</span>
</span><span id="__span-4-9"><a id="__codelineno-4-9" name="__codelineno-4-9" href="#__codelineno-4-9"></a>
</span><span id="__span-4-10"><a id="__codelineno-4-10" name="__codelineno-4-10" href="#__codelineno-4-10"></a><span class="cp">#include</span><span class="cpf">&lt;stdio.h&gt;</span>
</span><span id="__span-4-11"><a id="__codelineno-4-11" name="__codelineno-4-11" href="#__codelineno-4-11"></a><span class="cp">#include</span><span class="cpf">&lt;string.h&gt;</span>
</span><span id="__span-4-12"><a id="__codelineno-4-12" name="__codelineno-4-12" href="#__codelineno-4-12"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;unistd.h&gt;</span>
</span><span id="__span-4-13"><a id="__codelineno-4-13" name="__codelineno-4-13" href="#__codelineno-4-13"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;sys/socket.h&gt;</span>
</span><span id="__span-4-14"><a id="__codelineno-4-14" name="__codelineno-4-14" href="#__codelineno-4-14"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&quot;response.h&quot;</span>
</span><span id="__span-4-15"><a id="__codelineno-4-15" name="__codelineno-4-15" href="#__codelineno-4-15"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&quot;config.h&quot;</span>
</span><span id="__span-4-16"><a id="__codelineno-4-16" name="__codelineno-4-16" href="#__codelineno-4-16"></a>
</span><span id="__span-4-17"><a id="__codelineno-4-17" name="__codelineno-4-17" href="#__codelineno-4-17"></a><span class="kt">void</span><span class="w"> </span><span class="nf">handle_request</span><span class="p">(</span><span class="kt">int</span><span class="w"> </span><span class="n">client_socket</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-4-18"><a id="__codelineno-4-18" name="__codelineno-4-18" href="#__codelineno-4-18"></a>
</span><span id="__span-4-19"><a id="__codelineno-4-19" name="__codelineno-4-19" href="#__codelineno-4-19"></a><span class="w">        </span><span class="c1">// 定义配置文件路径</span>
</span><span id="__span-4-20"><a id="__codelineno-4-20" name="__codelineno-4-20" href="#__codelineno-4-20"></a><span class="w">    </span><span class="k">const</span><span class="w"> </span><span class="kt">char</span><span class="w"> </span><span class="o">*</span><span class="n">config_file</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;conf/main.conf&quot;</span><span class="p">;</span>
</span><span id="__span-4-21"><a id="__codelineno-4-21" name="__codelineno-4-21" href="#__codelineno-4-21"></a>
</span><span id="__span-4-22"><a id="__codelineno-4-22" name="__codelineno-4-22" href="#__codelineno-4-22"></a><span class="w">    </span><span class="c1">// 解析配置文件</span>
</span><span id="__span-4-23"><a id="__codelineno-4-23" name="__codelineno-4-23" href="#__codelineno-4-23"></a><span class="w">    </span><span class="n">Config</span><span class="w"> </span><span class="o">*</span><span class="n">config</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">parse_config</span><span class="p">(</span><span class="n">config_file</span><span class="p">);</span>
</span><span id="__span-4-24"><a id="__codelineno-4-24" name="__codelineno-4-24" href="#__codelineno-4-24"></a>
</span><span id="__span-4-25"><a id="__codelineno-4-25" name="__codelineno-4-25" href="#__codelineno-4-25"></a>
</span><span id="__span-4-26"><a id="__codelineno-4-26" name="__codelineno-4-26" href="#__codelineno-4-26"></a><span class="w">    </span><span class="kt">char</span><span class="w"> </span><span class="n">buffer</span><span class="p">[</span><span class="mi">1024</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{</span><span class="mi">0</span><span class="p">};</span>
</span><span id="__span-4-27"><a id="__codelineno-4-27" name="__codelineno-4-27" href="#__codelineno-4-27"></a><span class="w">    </span><span class="kt">ssize_t</span><span class="w"> </span><span class="n">bytes_read</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">recv</span><span class="p">(</span><span class="n">client_socket</span><span class="p">,</span><span class="w"> </span><span class="n">buffer</span><span class="p">,</span><span class="w"> </span><span class="k">sizeof</span><span class="p">(</span><span class="n">buffer</span><span class="p">)</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">);</span>
</span><span id="__span-4-28"><a id="__codelineno-4-28" name="__codelineno-4-28" href="#__codelineno-4-28"></a>
</span><span id="__span-4-29"><a id="__codelineno-4-29" name="__codelineno-4-29" href="#__codelineno-4-29"></a><span class="w">    </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">bytes_read</span><span class="w"> </span><span class="o">&gt;</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-4-30"><a id="__codelineno-4-30" name="__codelineno-4-30" href="#__codelineno-4-30"></a><span class="w">        </span><span class="c1">// 这里可以添加解析HTTP请求的逻辑，但为了简洁，我们直接发送响应</span>
</span><span id="__span-4-31"><a id="__codelineno-4-31" name="__codelineno-4-31" href="#__codelineno-4-31"></a>
</span><span id="__span-4-32"><a id="__codelineno-4-32" name="__codelineno-4-32" href="#__codelineno-4-32"></a><span class="w">        </span><span class="n">send_response</span><span class="p">(</span><span class="n">client_socket</span><span class="p">,</span><span class="n">config</span><span class="o">-&gt;</span><span class="n">root_dir</span><span class="p">);</span>
</span><span id="__span-4-33"><a id="__codelineno-4-33" name="__codelineno-4-33" href="#__codelineno-4-33"></a><span class="w">    </span><span class="p">}</span>
</span><span id="__span-4-34"><a id="__codelineno-4-34" name="__codelineno-4-34" href="#__codelineno-4-34"></a><span class="p">}</span>
</span></code></pre></div>
<h4 id="responsec">response.c</h4>
<div class="language-c highlight"><pre><span></span><code><span id="__span-5-1"><a id="__codelineno-5-1" name="__codelineno-5-1" href="#__codelineno-5-1"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&quot;response.h&quot;</span>
</span><span id="__span-5-2"><a id="__codelineno-5-2" name="__codelineno-5-2" href="#__codelineno-5-2"></a><span class="cp">#include</span><span class="cpf">&lt;stdio.h&gt;</span>
</span><span id="__span-5-3"><a id="__codelineno-5-3" name="__codelineno-5-3" href="#__codelineno-5-3"></a><span class="cp">#include</span><span class="cpf">&lt;string.h&gt;</span>
</span><span id="__span-5-4"><a id="__codelineno-5-4" name="__codelineno-5-4" href="#__codelineno-5-4"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;stdlib.h&gt;</span>
</span><span id="__span-5-5"><a id="__codelineno-5-5" name="__codelineno-5-5" href="#__codelineno-5-5"></a>
</span><span id="__span-5-6"><a id="__codelineno-5-6" name="__codelineno-5-6" href="#__codelineno-5-6"></a><span class="kt">void</span><span class="w"> </span><span class="nf">send_response</span><span class="p">(</span><span class="kt">int</span><span class="w"> </span><span class="n">client_socket</span><span class="p">,</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="kt">char</span><span class="w"> </span><span class="o">*</span><span class="n">root_dir</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-5-7"><a id="__codelineno-5-7" name="__codelineno-5-7" href="#__codelineno-5-7"></a><span class="w">    </span><span class="kt">char</span><span class="w"> </span><span class="n">index_html_path</span><span class="p">[</span><span class="mi">256</span><span class="p">];</span>
</span><span id="__span-5-8"><a id="__codelineno-5-8" name="__codelineno-5-8" href="#__codelineno-5-8"></a><span class="w">    </span><span class="n">sprintf</span><span class="p">(</span><span class="n">index_html_path</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;%s/index.html&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">root_dir</span><span class="p">);</span>
</span><span id="__span-5-9"><a id="__codelineno-5-9" name="__codelineno-5-9" href="#__codelineno-5-9"></a>
</span><span id="__span-5-10"><a id="__codelineno-5-10" name="__codelineno-5-10" href="#__codelineno-5-10"></a><span class="w">    </span><span class="kt">FILE</span><span class="w"> </span><span class="o">*</span><span class="n">file</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fopen</span><span class="p">(</span><span class="n">index_html_path</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;r&quot;</span><span class="p">);</span>
</span><span id="__span-5-11"><a id="__codelineno-5-11" name="__codelineno-5-11" href="#__codelineno-5-11"></a><span class="w">    </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">file</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="nb">NULL</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-5-12"><a id="__codelineno-5-12" name="__codelineno-5-12" href="#__codelineno-5-12"></a><span class="w">        </span><span class="n">printf</span><span class="p">(</span><span class="s">&quot;无法打开文件以读取内容。</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">);</span>
</span><span id="__span-5-13"><a id="__codelineno-5-13" name="__codelineno-5-13" href="#__codelineno-5-13"></a><span class="w">        </span><span class="k">return</span><span class="p">;</span>
</span><span id="__span-5-14"><a id="__codelineno-5-14" name="__codelineno-5-14" href="#__codelineno-5-14"></a><span class="w">    </span><span class="p">}</span>
</span><span id="__span-5-15"><a id="__codelineno-5-15" name="__codelineno-5-15" href="#__codelineno-5-15"></a>
</span><span id="__span-5-16"><a id="__codelineno-5-16" name="__codelineno-5-16" href="#__codelineno-5-16"></a><span class="w">    </span><span class="kt">char</span><span class="w"> </span><span class="n">html_content</span><span class="p">[</span><span class="mi">4096</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{</span><span class="mi">0</span><span class="p">};</span>
</span><span id="__span-5-17"><a id="__codelineno-5-17" name="__codelineno-5-17" href="#__codelineno-5-17"></a><span class="w">    </span><span class="kt">size_t</span><span class="w"> </span><span class="n">bytes_read</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fread</span><span class="p">(</span><span class="n">html_content</span><span class="p">,</span><span class="w"> </span><span class="k">sizeof</span><span class="p">(</span><span class="kt">char</span><span class="p">),</span><span class="w"> </span><span class="k">sizeof</span><span class="p">(</span><span class="n">html_content</span><span class="p">)</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="n">file</span><span class="p">);</span>
</span><span id="__span-5-18"><a id="__codelineno-5-18" name="__codelineno-5-18" href="#__codelineno-5-18"></a><span class="w">    </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">bytes_read</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-5-19"><a id="__codelineno-5-19" name="__codelineno-5-19" href="#__codelineno-5-19"></a><span class="w">        </span><span class="n">printf</span><span class="p">(</span><span class="s">&quot;无法读取文件内容。</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">);</span>
</span><span id="__span-5-20"><a id="__codelineno-5-20" name="__codelineno-5-20" href="#__codelineno-5-20"></a><span class="w">        </span><span class="n">fclose</span><span class="p">(</span><span class="n">file</span><span class="p">);</span>
</span><span id="__span-5-21"><a id="__codelineno-5-21" name="__codelineno-5-21" href="#__codelineno-5-21"></a><span class="w">        </span><span class="k">return</span><span class="p">;</span>
</span><span id="__span-5-22"><a id="__codelineno-5-22" name="__codelineno-5-22" href="#__codelineno-5-22"></a><span class="w">    </span><span class="p">}</span>
</span><span id="__span-5-23"><a id="__codelineno-5-23" name="__codelineno-5-23" href="#__codelineno-5-23"></a>
</span><span id="__span-5-24"><a id="__codelineno-5-24" name="__codelineno-5-24" href="#__codelineno-5-24"></a><span class="w">    </span><span class="n">html_content</span><span class="p">[</span><span class="n">bytes_read</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="sc">&#39;\0&#39;</span><span class="p">;</span>
</span><span id="__span-5-25"><a id="__codelineno-5-25" name="__codelineno-5-25" href="#__codelineno-5-25"></a><span class="w">    </span><span class="n">fclose</span><span class="p">(</span><span class="n">file</span><span class="p">);</span>
</span><span id="__span-5-26"><a id="__codelineno-5-26" name="__codelineno-5-26" href="#__codelineno-5-26"></a>
</span><span id="__span-5-27"><a id="__codelineno-5-27" name="__codelineno-5-27" href="#__codelineno-5-27"></a><span class="w">    </span><span class="kt">char</span><span class="w"> </span><span class="n">header</span><span class="p">[</span><span class="mi">512</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{</span><span class="mi">0</span><span class="p">};</span>
</span><span id="__span-5-28"><a id="__codelineno-5-28" name="__codelineno-5-28" href="#__codelineno-5-28"></a><span class="w">    </span><span class="n">sprintf</span><span class="p">(</span><span class="n">header</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;HTTP/1.1 200 OK</span><span class="se">\r\n</span><span class="s">Content-Type: text/html</span><span class="se">\r\n</span><span class="s">Content-Length: %zu</span><span class="se">\r\n\r\n</span><span class="s">&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">strlen</span><span class="p">(</span><span class="n">html_content</span><span class="p">));</span>
</span><span id="__span-5-29"><a id="__codelineno-5-29" name="__codelineno-5-29" href="#__codelineno-5-29"></a>
</span><span id="__span-5-30"><a id="__codelineno-5-30" name="__codelineno-5-30" href="#__codelineno-5-30"></a><span class="w">    </span><span class="n">send</span><span class="p">(</span><span class="n">client_socket</span><span class="p">,</span><span class="w"> </span><span class="n">header</span><span class="p">,</span><span class="w"> </span><span class="n">strlen</span><span class="p">(</span><span class="n">header</span><span class="p">),</span><span class="w"> </span><span class="mi">0</span><span class="p">);</span>
</span><span id="__span-5-31"><a id="__codelineno-5-31" name="__codelineno-5-31" href="#__codelineno-5-31"></a><span class="w">    </span><span class="n">send</span><span class="p">(</span><span class="n">client_socket</span><span class="p">,</span><span class="w"> </span><span class="n">html_content</span><span class="p">,</span><span class="w"> </span><span class="n">strlen</span><span class="p">(</span><span class="n">html_content</span><span class="p">),</span><span class="w"> </span><span class="mi">0</span><span class="p">);</span>
</span><span id="__span-5-32"><a id="__codelineno-5-32" name="__codelineno-5-32" href="#__codelineno-5-32"></a><span class="p">}</span>
</span><span id="__span-5-33"><a id="__codelineno-5-33" name="__codelineno-5-33" href="#__codelineno-5-33"></a>
</span><span id="__span-5-34"><a id="__codelineno-5-34" name="__codelineno-5-34" href="#__codelineno-5-34"></a><span class="cm">/*</span>
</span><span id="__span-5-35"><a id="__codelineno-5-35" name="__codelineno-5-35" href="#__codelineno-5-35"></a><span class="cm">#include&lt;stdio.h&gt;</span>
</span><span id="__span-5-36"><a id="__codelineno-5-36" name="__codelineno-5-36" href="#__codelineno-5-36"></a><span class="cm">#include&lt;string.h&gt;</span>
</span><span id="__span-5-37"><a id="__codelineno-5-37" name="__codelineno-5-37" href="#__codelineno-5-37"></a><span class="cm">#include &lt;unistd.h&gt;</span>
</span><span id="__span-5-38"><a id="__codelineno-5-38" name="__codelineno-5-38" href="#__codelineno-5-38"></a><span class="cm">#include &lt;sys/socket.h&gt;</span>
</span><span id="__span-5-39"><a id="__codelineno-5-39" name="__codelineno-5-39" href="#__codelineno-5-39"></a>
</span><span id="__span-5-40"><a id="__codelineno-5-40" name="__codelineno-5-40" href="#__codelineno-5-40"></a><span class="cm">void send_response(int client_socket) {</span>
</span><span id="__span-5-41"><a id="__codelineno-5-41" name="__codelineno-5-41" href="#__codelineno-5-41"></a><span class="cm">    const char* html_content = &quot;&lt;!DOCTYPE html&gt;&lt;html&gt;&lt;head&lt;title&gt;Hello from C Web Server&lt;/title&gt;&lt;/head&gt;&lt;body&gt;&lt;h1&gt;Hello, World!&lt;/h1&gt;&lt;/body&gt;&lt;/html&gt;&quot;;</span>
</span><span id="__span-5-42"><a id="__codelineno-5-42" name="__codelineno-5-42" href="#__codelineno-5-42"></a><span class="cm">    char header[512] = {0};</span>
</span><span id="__span-5-43"><a id="__codelineno-5-43" name="__codelineno-5-43" href="#__codelineno-5-43"></a>
</span><span id="__span-5-44"><a id="__codelineno-5-44" name="__codelineno-5-44" href="#__codelineno-5-44"></a><span class="cm">    // 构建HTTP响应头</span>
</span><span id="__span-5-45"><a id="__codelineno-5-45" name="__codelineno-5-45" href="#__codelineno-5-45"></a><span class="cm">    sprintf(header, &quot;HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nContent-Length: %zu\r\n\r\n&quot;, strlen(html_content));</span>
</span><span id="__span-5-46"><a id="__codelineno-5-46" name="__codelineno-5-46" href="#__codelineno-5-46"></a>
</span><span id="__span-5-47"><a id="__codelineno-5-47" name="__codelineno-5-47" href="#__codelineno-5-47"></a>
</span><span id="__span-5-48"><a id="__codelineno-5-48" name="__codelineno-5-48" href="#__codelineno-5-48"></a><span class="cm">    // 发送响应头和内容</span>
</span><span id="__span-5-49"><a id="__codelineno-5-49" name="__codelineno-5-49" href="#__codelineno-5-49"></a><span class="cm">    send(client_socket, header, strlen(header), 0);</span>
</span><span id="__span-5-50"><a id="__codelineno-5-50" name="__codelineno-5-50" href="#__codelineno-5-50"></a><span class="cm">    send(client_socket, html_content, strlen(html_content), 0);</span>
</span><span id="__span-5-51"><a id="__codelineno-5-51" name="__codelineno-5-51" href="#__codelineno-5-51"></a><span class="cm">}</span>
</span><span id="__span-5-52"><a id="__codelineno-5-52" name="__codelineno-5-52" href="#__codelineno-5-52"></a>
</span><span id="__span-5-53"><a id="__codelineno-5-53" name="__codelineno-5-53" href="#__codelineno-5-53"></a><span class="cm">// 在response.h中声明send_response函数</span>
</span><span id="__span-5-54"><a id="__codelineno-5-54" name="__codelineno-5-54" href="#__codelineno-5-54"></a><span class="cm">void send_response(int client_socket);</span>
</span><span id="__span-5-55"><a id="__codelineno-5-55" name="__codelineno-5-55" href="#__codelineno-5-55"></a><span class="cm">*/</span>
</span></code></pre></div>
<h4 id="serverc">server.c</h4>
<div class="language-c highlight"><pre><span></span><code><span id="__span-6-1"><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;stdio.h&gt;</span>
</span><span id="__span-6-2"><a id="__codelineno-6-2" name="__codelineno-6-2" href="#__codelineno-6-2"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;stdlib.h&gt;</span>
</span><span id="__span-6-3"><a id="__codelineno-6-3" name="__codelineno-6-3" href="#__codelineno-6-3"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;string.h&gt;</span>
</span><span id="__span-6-4"><a id="__codelineno-6-4" name="__codelineno-6-4" href="#__codelineno-6-4"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;unistd.h&gt;</span>
</span><span id="__span-6-5"><a id="__codelineno-6-5" name="__codelineno-6-5" href="#__codelineno-6-5"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;arpa/inet.h&gt;</span><span class="c1"> </span>
</span><span id="__span-6-6"><a id="__codelineno-6-6" name="__codelineno-6-6" href="#__codelineno-6-6"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;sys/socket.h&gt;</span>
</span><span id="__span-6-7"><a id="__codelineno-6-7" name="__codelineno-6-7" href="#__codelineno-6-7"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&quot;request.h&quot;</span>
</span><span id="__span-6-8"><a id="__codelineno-6-8" name="__codelineno-6-8" href="#__codelineno-6-8"></a><span class="cp">#include</span><span class="w"> </span><span class="cpf">&quot;response.h&quot;</span>
</span><span id="__span-6-9"><a id="__codelineno-6-9" name="__codelineno-6-9" href="#__codelineno-6-9"></a>
</span><span id="__span-6-10"><a id="__codelineno-6-10" name="__codelineno-6-10" href="#__codelineno-6-10"></a><span class="kt">void</span><span class="w"> </span><span class="nf">start_server</span><span class="p">(</span><span class="kt">int</span><span class="w"> </span><span class="n">port</span><span class="p">,</span><span class="k">const</span><span class="w"> </span><span class="kt">char</span><span class="w"> </span><span class="o">*</span><span class="n">root_dir</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-6-11"><a id="__codelineno-6-11" name="__codelineno-6-11" href="#__codelineno-6-11"></a><span class="w">    </span><span class="kt">int</span><span class="w"> </span><span class="n">server_fd</span><span class="p">,</span><span class="w"> </span><span class="n">new_socket</span><span class="p">;</span>
</span><span id="__span-6-12"><a id="__codelineno-6-12" name="__codelineno-6-12" href="#__codelineno-6-12"></a><span class="w">    </span><span class="k">struct</span><span class="w"> </span><span class="nc">sockaddr_in</span><span class="w"> </span><span class="n">address</span><span class="p">;</span>
</span><span id="__span-6-13"><a id="__codelineno-6-13" name="__codelineno-6-13" href="#__codelineno-6-13"></a><span class="w">    </span><span class="kt">int</span><span class="w"> </span><span class="n">opt</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</span><span class="p">;</span>
</span><span id="__span-6-14"><a id="__codelineno-6-14" name="__codelineno-6-14" href="#__codelineno-6-14"></a><span class="w">    </span><span class="kt">int</span><span class="w"> </span><span class="n">addrlen</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">sizeof</span><span class="p">(</span><span class="n">address</span><span class="p">);</span>
</span><span id="__span-6-15"><a id="__codelineno-6-15" name="__codelineno-6-15" href="#__codelineno-6-15"></a>
</span><span id="__span-6-16"><a id="__codelineno-6-16" name="__codelineno-6-16" href="#__codelineno-6-16"></a>
</span><span id="__span-6-17"><a id="__codelineno-6-17" name="__codelineno-6-17" href="#__codelineno-6-17"></a><span class="w">    </span><span class="c1">// 创建socket文件描述符</span>
</span><span id="__span-6-18"><a id="__codelineno-6-18" name="__codelineno-6-18" href="#__codelineno-6-18"></a><span class="w">    </span><span class="k">if</span><span class="w"> </span><span class="p">((</span><span class="n">server_fd</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">socket</span><span class="p">(</span><span class="n">AF_INET</span><span class="p">,</span><span class="w"> </span><span class="n">SOCK_STREAM</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">))</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-6-19"><a id="__codelineno-6-19" name="__codelineno-6-19" href="#__codelineno-6-19"></a><span class="w">        </span><span class="n">perror</span><span class="p">(</span><span class="s">&quot;socket failed&quot;</span><span class="p">);</span>
</span><span id="__span-6-20"><a id="__codelineno-6-20" name="__codelineno-6-20" href="#__codelineno-6-20"></a><span class="w">        </span><span class="n">exit</span><span class="p">(</span><span class="n">EXIT_FAILURE</span><span class="p">);</span>
</span><span id="__span-6-21"><a id="__codelineno-6-21" name="__codelineno-6-21" href="#__codelineno-6-21"></a><span class="w">    </span><span class="p">}</span>
</span><span id="__span-6-22"><a id="__codelineno-6-22" name="__codelineno-6-22" href="#__codelineno-6-22"></a>
</span><span id="__span-6-23"><a id="__codelineno-6-23" name="__codelineno-6-23" href="#__codelineno-6-23"></a>
</span><span id="__span-6-24"><a id="__codelineno-6-24" name="__codelineno-6-24" href="#__codelineno-6-24"></a><span class="w">    </span><span class="c1">// 设置socket选项，允许端口复用</span>
</span><span id="__span-6-25"><a id="__codelineno-6-25" name="__codelineno-6-25" href="#__codelineno-6-25"></a><span class="w">    </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">setsockopt</span><span class="p">(</span><span class="n">server_fd</span><span class="p">,</span><span class="w"> </span><span class="n">SOL_SOCKET</span><span class="p">,</span><span class="w"> </span><span class="n">SO_REUSEADDR</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">SO_REUSEPORT</span><span class="p">,</span><span class="w"> </span><span class="o">&amp;</span><span class="n">opt</span><span class="p">,</span><span class="w"> </span><span class="k">sizeof</span><span class="p">(</span><span class="n">opt</span><span class="p">)))</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-6-26"><a id="__codelineno-6-26" name="__codelineno-6-26" href="#__codelineno-6-26"></a><span class="w">        </span><span class="n">perror</span><span class="p">(</span><span class="s">&quot;setsockopt&quot;</span><span class="p">);</span>
</span><span id="__span-6-27"><a id="__codelineno-6-27" name="__codelineno-6-27" href="#__codelineno-6-27"></a><span class="w">        </span><span class="n">exit</span><span class="p">(</span><span class="n">EXIT_FAILURE</span><span class="p">);</span>
</span><span id="__span-6-28"><a id="__codelineno-6-28" name="__codelineno-6-28" href="#__codelineno-6-28"></a><span class="w">    </span><span class="p">}</span>
</span><span id="__span-6-29"><a id="__codelineno-6-29" name="__codelineno-6-29" href="#__codelineno-6-29"></a>
</span><span id="__span-6-30"><a id="__codelineno-6-30" name="__codelineno-6-30" href="#__codelineno-6-30"></a><span class="w">    </span><span class="n">address</span><span class="p">.</span><span class="n">sin_family</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">AF_INET</span><span class="p">;</span>
</span><span id="__span-6-31"><a id="__codelineno-6-31" name="__codelineno-6-31" href="#__codelineno-6-31"></a><span class="w">    </span><span class="n">address</span><span class="p">.</span><span class="n">sin_addr</span><span class="p">.</span><span class="n">s_addr</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">INADDR_ANY</span><span class="p">;</span>
</span><span id="__span-6-32"><a id="__codelineno-6-32" name="__codelineno-6-32" href="#__codelineno-6-32"></a><span class="w">    </span><span class="n">address</span><span class="p">.</span><span class="n">sin_port</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">htons</span><span class="p">(</span><span class="n">port</span><span class="p">);</span>
</span><span id="__span-6-33"><a id="__codelineno-6-33" name="__codelineno-6-33" href="#__codelineno-6-33"></a>
</span><span id="__span-6-34"><a id="__codelineno-6-34" name="__codelineno-6-34" href="#__codelineno-6-34"></a>
</span><span id="__span-6-35"><a id="__codelineno-6-35" name="__codelineno-6-35" href="#__codelineno-6-35"></a><span class="w">      </span><span class="c1">// 绑定地址到socket</span>
</span><span id="__span-6-36"><a id="__codelineno-6-36" name="__codelineno-6-36" href="#__codelineno-6-36"></a><span class="w">    </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">bind</span><span class="p">(</span><span class="n">server_fd</span><span class="p">,</span><span class="w"> </span><span class="p">(</span><span class="k">struct</span><span class="w"> </span><span class="nc">sockaddr</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="o">&amp;</span><span class="n">address</span><span class="p">,</span><span class="w"> </span><span class="k">sizeof</span><span class="p">(</span><span class="n">address</span><span class="p">))</span><span class="o">&lt;</span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-6-37"><a id="__codelineno-6-37" name="__codelineno-6-37" href="#__codelineno-6-37"></a><span class="w">        </span><span class="n">perror</span><span class="p">(</span><span class="s">&quot;bind failed&quot;</span><span class="p">);</span>
</span><span id="__span-6-38"><a id="__codelineno-6-38" name="__codelineno-6-38" href="#__codelineno-6-38"></a><span class="w">        </span><span class="n">exit</span><span class="p">(</span><span class="n">EXIT_FAILURE</span><span class="p">);</span>
</span><span id="__span-6-39"><a id="__codelineno-6-39" name="__codelineno-6-39" href="#__codelineno-6-39"></a><span class="w">    </span><span class="p">}</span>
</span><span id="__span-6-40"><a id="__codelineno-6-40" name="__codelineno-6-40" href="#__codelineno-6-40"></a>
</span><span id="__span-6-41"><a id="__codelineno-6-41" name="__codelineno-6-41" href="#__codelineno-6-41"></a><span class="w">    </span><span class="c1">// 开始监听，最大连接数为5</span>
</span><span id="__span-6-42"><a id="__codelineno-6-42" name="__codelineno-6-42" href="#__codelineno-6-42"></a><span class="w">    </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">listen</span><span class="p">(</span><span class="n">server_fd</span><span class="p">,</span><span class="w"> </span><span class="mi">5</span><span class="p">)</span><span class="w"> </span><span class="o">&lt;</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-6-43"><a id="__codelineno-6-43" name="__codelineno-6-43" href="#__codelineno-6-43"></a><span class="w">        </span><span class="n">perror</span><span class="p">(</span><span class="s">&quot;listen&quot;</span><span class="p">);</span>
</span><span id="__span-6-44"><a id="__codelineno-6-44" name="__codelineno-6-44" href="#__codelineno-6-44"></a><span class="w">        </span><span class="n">exit</span><span class="p">(</span><span class="n">EXIT_FAILURE</span><span class="p">);</span>
</span><span id="__span-6-45"><a id="__codelineno-6-45" name="__codelineno-6-45" href="#__codelineno-6-45"></a><span class="w">    </span><span class="p">}</span>
</span><span id="__span-6-46"><a id="__codelineno-6-46" name="__codelineno-6-46" href="#__codelineno-6-46"></a>
</span><span id="__span-6-47"><a id="__codelineno-6-47" name="__codelineno-6-47" href="#__codelineno-6-47"></a><span class="w">    </span><span class="k">while</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-6-48"><a id="__codelineno-6-48" name="__codelineno-6-48" href="#__codelineno-6-48"></a><span class="w">        </span><span class="c1">// 接受新的连接请求</span>
</span><span id="__span-6-49"><a id="__codelineno-6-49" name="__codelineno-6-49" href="#__codelineno-6-49"></a><span class="w">        </span><span class="k">if</span><span class="w"> </span><span class="p">((</span><span class="n">new_socket</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">accept</span><span class="p">(</span><span class="n">server_fd</span><span class="p">,</span><span class="w"> </span><span class="p">(</span><span class="k">struct</span><span class="w"> </span><span class="nc">sockaddr</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="o">&amp;</span><span class="n">address</span><span class="p">,</span><span class="w"> </span><span class="p">(</span><span class="kt">socklen_t</span><span class="o">*</span><span class="p">)</span><span class="o">&amp;</span><span class="n">addrlen</span><span class="p">))</span><span class="o">&lt;</span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-6-50"><a id="__codelineno-6-50" name="__codelineno-6-50" href="#__codelineno-6-50"></a><span class="w">            </span><span class="n">perror</span><span class="p">(</span><span class="s">&quot;accept&quot;</span><span class="p">);</span>
</span><span id="__span-6-51"><a id="__codelineno-6-51" name="__codelineno-6-51" href="#__codelineno-6-51"></a><span class="w">            </span><span class="n">exit</span><span class="p">(</span><span class="n">EXIT_FAILURE</span><span class="p">);</span>
</span><span id="__span-6-52"><a id="__codelineno-6-52" name="__codelineno-6-52" href="#__codelineno-6-52"></a><span class="w">        </span><span class="p">}</span>
</span><span id="__span-6-53"><a id="__codelineno-6-53" name="__codelineno-6-53" href="#__codelineno-6-53"></a>
</span><span id="__span-6-54"><a id="__codelineno-6-54" name="__codelineno-6-54" href="#__codelineno-6-54"></a><span class="w">           </span><span class="c1">// 处理客户端请求</span>
</span><span id="__span-6-55"><a id="__codelineno-6-55" name="__codelineno-6-55" href="#__codelineno-6-55"></a><span class="w">        </span><span class="n">handle_request</span><span class="p">(</span><span class="n">new_socket</span><span class="p">);</span>
</span><span id="__span-6-56"><a id="__codelineno-6-56" name="__codelineno-6-56" href="#__codelineno-6-56"></a>
</span><span id="__span-6-57"><a id="__codelineno-6-57" name="__codelineno-6-57" href="#__codelineno-6-57"></a><span class="w">        </span><span class="n">close</span><span class="p">(</span><span class="n">new_socket</span><span class="p">);</span><span class="w"> </span><span class="c1">// 关闭连接</span>
</span><span id="__span-6-58"><a id="__codelineno-6-58" name="__codelineno-6-58" href="#__codelineno-6-58"></a><span class="w">    </span><span class="p">}</span>
</span><span id="__span-6-59"><a id="__codelineno-6-59" name="__codelineno-6-59" href="#__codelineno-6-59"></a>
</span><span id="__span-6-60"><a id="__codelineno-6-60" name="__codelineno-6-60" href="#__codelineno-6-60"></a><span class="w">    </span><span class="n">shutdown</span><span class="p">(</span><span class="n">server_fd</span><span class="p">,</span><span class="w"> </span><span class="n">SHUT_RDWR</span><span class="p">);</span>
</span><span id="__span-6-61"><a id="__codelineno-6-61" name="__codelineno-6-61" href="#__codelineno-6-61"></a><span class="p">}</span>
</span></code></pre></div>
<h3 id="includes">includes</h3>
<h4 id="configh">config.h</h4>
<div class="language-text highlight"><pre><span></span><code><span id="__span-7-1"><a id="__codelineno-7-1" name="__codelineno-7-1" href="#__codelineno-7-1"></a>#ifndef CONFIG_H
</span><span id="__span-7-2"><a id="__codelineno-7-2" name="__codelineno-7-2" href="#__codelineno-7-2"></a>#define CONFIG_H
</span><span id="__span-7-3"><a id="__codelineno-7-3" name="__codelineno-7-3" href="#__codelineno-7-3"></a>
</span><span id="__span-7-4"><a id="__codelineno-7-4" name="__codelineno-7-4" href="#__codelineno-7-4"></a>#include&lt;stdio.h&gt;
</span><span id="__span-7-5"><a id="__codelineno-7-5" name="__codelineno-7-5" href="#__codelineno-7-5"></a>#include&lt;stdlib.h&gt;
</span><span id="__span-7-6"><a id="__codelineno-7-6" name="__codelineno-7-6" href="#__codelineno-7-6"></a>#include&lt;string.h&gt;
</span><span id="__span-7-7"><a id="__codelineno-7-7" name="__codelineno-7-7" href="#__codelineno-7-7"></a>
</span><span id="__span-7-8"><a id="__codelineno-7-8" name="__codelineno-7-8" href="#__codelineno-7-8"></a>typedef struct {
</span><span id="__span-7-9"><a id="__codelineno-7-9" name="__codelineno-7-9" href="#__codelineno-7-9"></a>    int port;
</span><span id="__span-7-10"><a id="__codelineno-7-10" name="__codelineno-7-10" href="#__codelineno-7-10"></a>    char root_dir[256];
</span><span id="__span-7-11"><a id="__codelineno-7-11" name="__codelineno-7-11" href="#__codelineno-7-11"></a>} Config;
</span><span id="__span-7-12"><a id="__codelineno-7-12" name="__codelineno-7-12" href="#__codelineno-7-12"></a>
</span><span id="__span-7-13"><a id="__codelineno-7-13" name="__codelineno-7-13" href="#__codelineno-7-13"></a>Config* parse_config(const char *config_file);
</span><span id="__span-7-14"><a id="__codelineno-7-14" name="__codelineno-7-14" href="#__codelineno-7-14"></a>
</span><span id="__span-7-15"><a id="__codelineno-7-15" name="__codelineno-7-15" href="#__codelineno-7-15"></a>#endif // CONFIG_H
</span></code></pre></div>
<h4 id="requesth">request.h</h4>
<div class="language-text highlight"><pre><span></span><code><span id="__span-8-1"><a id="__codelineno-8-1" name="__codelineno-8-1" href="#__codelineno-8-1"></a>#ifndef REQUEST_H
</span><span id="__span-8-2"><a id="__codelineno-8-2" name="__codelineno-8-2" href="#__codelineno-8-2"></a>#define REQUEST_H
</span><span id="__span-8-3"><a id="__codelineno-8-3" name="__codelineno-8-3" href="#__codelineno-8-3"></a>
</span><span id="__span-8-4"><a id="__codelineno-8-4" name="__codelineno-8-4" href="#__codelineno-8-4"></a>#include &lt;unistd.h&gt;
</span><span id="__span-8-5"><a id="__codelineno-8-5" name="__codelineno-8-5" href="#__codelineno-8-5"></a>#include &lt;sys/socket.h&gt;
</span><span id="__span-8-6"><a id="__codelineno-8-6" name="__codelineno-8-6" href="#__codelineno-8-6"></a>
</span><span id="__span-8-7"><a id="__codelineno-8-7" name="__codelineno-8-7" href="#__codelineno-8-7"></a>void handle_request(int client_socket);
</span><span id="__span-8-8"><a id="__codelineno-8-8" name="__codelineno-8-8" href="#__codelineno-8-8"></a>
</span><span id="__span-8-9"><a id="__codelineno-8-9" name="__codelineno-8-9" href="#__codelineno-8-9"></a>#endif // REQUEST_H
</span></code></pre></div>
<h4 id="responseh">response.h</h4>
<div class="language-text highlight"><pre><span></span><code><span id="__span-9-1"><a id="__codelineno-9-1" name="__codelineno-9-1" href="#__codelineno-9-1"></a>#ifndef RESPONSE_H
</span><span id="__span-9-2"><a id="__codelineno-9-2" name="__codelineno-9-2" href="#__codelineno-9-2"></a>#define RESPONSE_H
</span><span id="__span-9-3"><a id="__codelineno-9-3" name="__codelineno-9-3" href="#__codelineno-9-3"></a>
</span><span id="__span-9-4"><a id="__codelineno-9-4" name="__codelineno-9-4" href="#__codelineno-9-4"></a>#include &lt;unistd.h&gt;
</span><span id="__span-9-5"><a id="__codelineno-9-5" name="__codelineno-9-5" href="#__codelineno-9-5"></a>#include &lt;sys/socket.h&gt;
</span><span id="__span-9-6"><a id="__codelineno-9-6" name="__codelineno-9-6" href="#__codelineno-9-6"></a>
</span><span id="__span-9-7"><a id="__codelineno-9-7" name="__codelineno-9-7" href="#__codelineno-9-7"></a>void send_response(int client_socket, const char *root_dir);
</span><span id="__span-9-8"><a id="__codelineno-9-8" name="__codelineno-9-8" href="#__codelineno-9-8"></a>
</span><span id="__span-9-9"><a id="__codelineno-9-9" name="__codelineno-9-9" href="#__codelineno-9-9"></a>#endif // RESPONSE_H
</span></code></pre></div>
<h4 id="serverh">server.h</h4>
<div class="language-text highlight"><pre><span></span><code><span id="__span-10-1"><a id="__codelineno-10-1" name="__codelineno-10-1" href="#__codelineno-10-1"></a>#ifndef SERVER_H
</span><span id="__span-10-2"><a id="__codelineno-10-2" name="__codelineno-10-2" href="#__codelineno-10-2"></a>#define SERVER_H
</span><span id="__span-10-3"><a id="__codelineno-10-3" name="__codelineno-10-3" href="#__codelineno-10-3"></a>
</span><span id="__span-10-4"><a id="__codelineno-10-4" name="__codelineno-10-4" href="#__codelineno-10-4"></a>#include &lt;unistd.h&gt;
</span><span id="__span-10-5"><a id="__codelineno-10-5" name="__codelineno-10-5" href="#__codelineno-10-5"></a>#include &lt;sys/socket.h&gt;
</span><span id="__span-10-6"><a id="__codelineno-10-6" name="__codelineno-10-6" href="#__codelineno-10-6"></a>
</span><span id="__span-10-7"><a id="__codelineno-10-7" name="__codelineno-10-7" href="#__codelineno-10-7"></a>int create_server_socket(int port);
</span><span id="__span-10-8"><a id="__codelineno-10-8" name="__codelineno-10-8" href="#__codelineno-10-8"></a>void start_server(int server_socket, const char *root_dir);
</span><span id="__span-10-9"><a id="__codelineno-10-9" name="__codelineno-10-9" href="#__codelineno-10-9"></a>
</span><span id="__span-10-10"><a id="__codelineno-10-10" name="__codelineno-10-10" href="#__codelineno-10-10"></a>#endif // SERVER_H
</span></code></pre></div>












                
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